Enhancement of Rashba interaction in GaAs/AlGaAs quantum wells due to the incorporation of bismuth
Simmons, RA, Jin, SR, Sweeney, SJ and Clowes, SK (2015) Enhancement of Rashba interaction in GaAs/AlGaAs quantum wells due to the incorporation of bismuth APPLIED PHYSICS LETTERS, 107 (14), ARTN 1.
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Abstract
This paper reports on the predicted increase in the Rashba interaction due to the incorporation of Bi in GaAs/AlGaAs heterostructures. Band structure parameters obtained from the band anti-crossing theory have been used in combination with self-consistent Schrödinger-Poisson calculations and k.p models to determine the electron spin-splitting caused by structural inversion asymmetry and increased spin-orbit interaction. A near linear seven fold increase in the strength of the Rashba interaction is predicted for a 10% concentration of Bi in a GaAsBi/AlGaAs quantum well heterostructure.
Item Type: | Article | |||||||||||||||
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Divisions : | Faculty of Engineering and Physical Sciences > Physics | |||||||||||||||
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Date : | 5 October 2015 | |||||||||||||||
DOI : | 10.1063/1.4932122 | |||||||||||||||
Uncontrolled Keywords : | Science & Technology, Physical Sciences, Physics, Applied, Physics, 2-DIMENSIONAL ELECTRON-GAS, CONDUCTION SUBBANDS, INVERSION ASYMMETRY, HETEROSTRUCTURES, GROWTH | |||||||||||||||
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Additional Information : | Copyright 2015 American Institute of Physics | |||||||||||||||
Depositing User : | Symplectic Elements | |||||||||||||||
Date Deposited : | 18 Dec 2015 19:15 | |||||||||||||||
Last Modified : | 31 Oct 2017 17:57 | |||||||||||||||
URI: | http://epubs.surrey.ac.uk/id/eprint/809573 |
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